S-93C46AMFN datasheet(3/53 Pages) SII

3 / 53 page

CMOS SERIAL E

2PROM

S-93C46A/56A/66A

Seiko Instruments Inc.

Block Diagram

Instruction Set

Table 2

Instruction

Start

Bit

Code

Address

Data

S-93C46A

S-93C56A

S-93C66A

READ

(Read data)

A5 to A0

XA6 to A0

A7 to A0

D15 to D0 Output*1

WRITE

(Write data)

A5 to A0

XA6 to A0

A7 to A0

D15 to D0 Input

ERASE (Erase data)

A5 to A0

XA6 to A0

A7 to A0



WRAL

(Write all)*2

01xxxx

01xxxxxx

D15 to D0 Input

ERAL

(Erase all)*2

10xxxx

10xxxxxx



EWEN

(Program enable)

11xxxx

11xxxxxx



EWDS

(Program disable)

00xxxx

00xxxxxx



x :

Doesn’t matter.

*1 :

Addresses are continuously incremented.

*2 :

Valid only at Vcc = 2.5 V to 5.5 V.

Absolute Maximum Ratings

Parameter

Symbol

Ratings

Unit

Power supply voltage

VCC

-0.3 to +7.0

Input voltage

VIN

-0.3 to VCC+0.3

Output voltage

VOUT

-0.3 to VCC

Storage temperature under bias

Tbias

-50 to +95

°C

Storage temperature

Tstg

-65 to +150

°C

Figure 2

Memory array

Data register

Address

decoder

Mode decode logic

Clock generator

Output buffer

VCC

GND

Table 3

S-93C46AMFN 数据表(PDF) 3 Page - Seiko Instruments Inc

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